Pioneer Telegraph Station, is historical building in Sacramento, California. The building is a California Historical Landmark No. 366 listed on October 9, 1939. From 1863 to 1868 the building housed the State Telegraph Company. From 1868 to 1915 the building housed the Union Telegraph Company. The Pioneer Telegraph Station Building is part of the Old Sacramento State Historic Park. The Pioneer Telegraph Station Building is sometimes confused with the Pony Express Terminal building, also in Old Sacramento State Historic Park.

• California Historical Landmarks in Sacramento County
• Adams and Company Building
• Sam Brannan House
• Western Hotel
• Sacramento First Courthouse
• Lady Adams Building